问题描述
我有一个名为Organization的表,其中将有重复的记录,但createdDate列将有所不同,我需要选择所有具有max(createdDated)的不同记录。为此,我写了一个本地查询,它工作正常
select * from organization allOrgs join (select max(createdDate) as newest,id from organization group by id) latestOrg on allOrgs.createdDate = latestOrg.createdDate and allOrgs.id = latestOrg.id
但是当我如下编写查询DSL时,我得到的是“期望加入的路径”
JPAQueryFactory factory = new JPAQueryFactory (entityManager);
BooleanBuilder builder = new BooleanBuilder();
QOrganization allOrgs = new QOrganization("allOrgs");
QOrganization latestOrg= new QOrganization("latestOrg");
builder.and(allOrgs.createdDate.eq(latestOrg.createdDate()));
builder.and(allOrgs.id.eq(latesOrg.id));
List<Organization> orgs = factory.from(allOrgs).join(latestOrg.organization).groupby(latestOrg.id)
.on(builder).select(allOrg).fetch();
请帮助我我做错了
解决方法
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